Method for the construction of large thematic corpora of online news articles. Towards a corpus of food-related news

Chilean Digital Press Coverage of the Relation between Diet and Mental Health

“…The analysis units for the present study were identified from a previously constructed corpus of food-related news items published by emol.com, latercera.com, and elmostrador.cl in 2016 [ 76 ]. The rationale, method and results of this already constructed corpus on food in general were published in 2019 in English (translated version) [ 76 ] and Spanish (original version) [ 77 ].…”

“…The analysis units for the present study were identified from a previously constructed corpus of food-related news items published by emol.com, latercera.com, and elmostrador.cl in 2016 [ 76 ]. The rationale, method and results of this already constructed corpus on food in general were published in 2019 in English (translated version) [ 76 ] and Spanish (original version) [ 77 ]. A custom dictionary was built on anthropological and sociological works by a process of conceptualization of the food fact and, then, its operationalization into a list of keywords that, due to their properties, uses, and semantic meanings, are representative of the food phenomenon and operative for empirical work.…”

“…Emol.com ( n = 912) and latercera.com ( n = 957) were chosen for being the two online newspapers with the largest readership in Chile and each one respectively being the greatest exponent of the two most important communication groups in Chile. Elmostrador.cl ( n = 682) was chosen for being the most read independent online newspaper when creating the corpus [ 76 ].…”